Frost Dates for Forest, OH

Based on data from Kenton weather station, 12 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 22
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 24
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost April 29
First Fall Frost October 18

Hard Freeze (28°F)

Last Spring Hard Freeze April 10
First Fall Hard Freeze November 3
40.80°N, -83.51°W © OpenStreetMap

Growing Season

185 Days April 22 to October 24

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

10° 30° 50° 70° 90°
26°
High: 33°F
Avg: 26°F
Low: 18°F
Jan
28°
High: 36°F
Avg: 28°F
Low: 21°F
Feb
38°
High: 47°F
Avg: 38°F
Low: 29°F
Mar
50°
High: 60°F
Avg: 50°F
Low: 39°F
Apr
61°
High: 72°F
Avg: 61°F
Low: 50°F
May
71°
High: 81°F
Avg: 71°F
Low: 60°F
Jun
74°
High: 84°F
Avg: 74°F
Low: 64°F
Jul
72°
High: 83°F
Avg: 72°F
Low: 62°F
Aug
65°
High: 77°F
Avg: 65°F
Low: 54°F
Sep
53°
High: 64°F
Avg: 53°F
Low: 43°F
Oct
41°
High: 50°F
Avg: 41°F
Low: 33°F
Nov
31°
High: 38°F
Avg: 31°F
Low: 24°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.7"
5.1"
5.11"
Jan
4.6"
4.56"
Feb
6.0"
6.02"
Mar
6.5"
6.53"
Apr
6.6"
6.62"
May
6.5"
6.54"
Jun
7.7"
7.71"
Jul
7.3"
7.34"
Aug
6.1"
6.08"
Sep
5.9"
5.87"
Oct
6.0"
6.05"
Nov
5.8"
5.85"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14.5h15h14.5h13.5h12.5h11h9.5h9h
Jan: 7:18 AM – 4:42 PM · 9h 24m
Feb: 6:47 AM – 5:13 PM · 10h 26m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:27 AM – 6:33 PM · 13h 05m
May: 4:52 AM – 7:08 PM · 14h 16m
Jun: 4:33 AM – 7:27 PM · 14h 54m
Jul: 4:41 AM – 7:19 PM · 14h 38m
Aug: 5:11 AM – 6:49 PM · 13h 37m
Sep: 5:52 AM – 6:08 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 53m
Nov: 7:09 AM – 4:51 PM · 9h 41m
Dec: 7:27 AM – 4:33 PM · 9h 06m
Daylight Longest: 14h 55m · Shortest: 9h 05m

Nearby Stations

Huntsville 3n, OH April 22 - October 27 Upper Sandusky, OH April 29 - October 17 Bellefontaine, OH April 26 - October 20 Lima Allen Co AP, OH April 22 - October 22 Marion 2 N, OH April 25 - October 20 Findlay AP, OH April 19 - October 23

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